leadCoefficient(NCRingElement) -- Returns the lead monomial of an NCRingElement

Synopsis

• Function: leadCoefficient

• Usage:

  coeff = leadCoefficient f

• Inputs:
  • f, an instance of the type NCRingElement,
• Outputs:
  • coeff, a ring element,

Description

i1 : A = QQ{x,y,z,w}

o1 = A

o1 : NCPolynomialRing

i2 : f = x^2+y^2+z^3

      3  2  2
o2 = z +y +x

o2 : A

i3 : coeff = leadCoefficient f

o3 = 1

o3 : QQ